Three identical blocks move either on horizontal surface, up aplane, or down a plane as shown below.They start with same speedand continue to move until brought to rest by friction. Rank thethree situations according to the mechanical energy dissipated byfriction, least to greatest. Show Transcribed Text (a) the same for all cases (b) 1,2,3 (c) 1, then 2 and 3 tie (d) 3,2,1 (e) 2,1,3 3 2 tay 3

Three identical blocks move either on horizontal surface, up aplane, or down a plane as shown below.They start with same speedand continue to move until brought to rest by friction. Rank thethree situations according to the mechanical energy dissipated byfriction, least to greatest. Show Transcribed Text (a) the same for all cases (b) 1,2,3 (c) 1, then 2 and 3 tie (d) 3,2,1 (e) 2,1,3 3 2 tay 3

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 2500J of work was done on a 10kg body.if the body was moved 20.0m along horizontal and if u=0.10.How MUCHH force was applied to it?
(BJV3 -3.UII/S & T1U AUUVE tme A (DJITUII dAIS. 12) At certain instant, a particle experience a force F = (5i +6j + 2k)N while having a velocity 3 (2i -3k)m/s. What is the instantaneous rate at which the force does work on the particle? (C)13 W. V = (A)4W (B)50W (D) 10W. ow with a horizontal force of 50 N on level ground over a distance 0
(10%) Problem 5: Suppose a 345-g kookaburra (a large kingfisher bird) picks up a 65-g snake and raises it 2.3 m from the ground to a branch. > A 50% Part (a) How much work, in joules, did the bird do on the snake? W = sin() cos() tan() 8 9 HOME cotan() asin() acos() E AL 5 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 3% deduction per hint. Hints remaining: Feedback: 2% deduction per feedback. A 50% Part (b) How much work, in joules, did it do to raise its own center of mass to the branch?
Consider a 900-kg car being pulled by a 1200-N force applied at anangle of 30 degrees with the horizontal. The car traveled a total distance of 5.0meters forward. The coefficient of kinetic friction between the road and the tires is0.25. Determine the work done (in Joules) by each of the external forces acting onthe car. Please show full solution.
(a) What is the efficiency of an out-of-condition professor who does 2.00 × 105 J of useful work while metabolizing 510 kcal of food energy? (Enter your answer as a percentage. Enter a number.) % (b) How many food calories (in kcal) would a well-conditioned athlete metabolize in doing the same work with an efficiency of 20%? (Enter a number.) kcal
(a) What is the efficiency of an out-of-condition professor who does 2.30 × 105 J of useful work while metabolizing 490 kcal of food energy? (Enter your answer as a percentage. Enter a number.) % (b) How many food calories (in kcal) would a well-conditioned athlete metabolize in doing the same work with an efficiency of 25%? (Enter a number.) kcal
A worker pushed a 27 kg block 9.0 m along a level floor at constant speed with a force directed 30° below the horizontal. (a) If the coefficient of kinetic friction is 0.24, how much work was done by the worker's force? J (b) What was the increase in thermal energy of the block-floor system?
A conservative force of 22.5 N moves a particle of 1 gram along a circular path, oriented vertically, of diameter 50 cm. What is the work done by the conservative force, in Joules, in one cycle? Assume g = 10 ms ². Round to one decimal.
Mountain climbers carry bottled oxygen when at very high altitudes. (a) Assuming that a mountain climber uses oxygen at twice the rate for climbing 116 stairs per minute (because of low air temperature and winds), calculate how many liters of oxygen a climber would need for 10.0 h of climbing. (These are liters at sea level.) Note that only 40% of the inhaled oxygen is utilized; the rest is exhaled. (b) How much useful work does the climber do if he and his equipment have a mass of 90.0 kg and he gains 1000 m of altitude? (c) What is his efficiency for the 10.0-h climb?
A chain lying on the ground is 10 m long and its mass is 80 kg. One end of the chain is raised to a height of 6 m.
(a) Calculate the energy in kJ used by a 71-kg person who does 35 deep knee bends in which their center of mass is lowered and raised 0.5 m. (Hint: They do work in both directions.) You may assume their efficiency is 18 %. KJ (b) What is the average power consumption rate in watts if they do this in 3.7 min? W